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Bitcoin is a crypto currency, with the creation and the transfer of the bitcoins being based on a protocol that does not depend on the central authority. The coins can be transferred through computers or through smartphones and related devices, without the necessity of having a financial institution as an intermediate. This concept was established by Satoshi Nakamoto in 2008 and it was geared towards the world of electronic cash systems. If you understand more about this topic on a professional level, then you have a better chance to enjoy the advantages of being a freelancer at Freelancer.com.

Bitcoin has its own technical part that needs to be addressed by professionals. If you are one of them, then you should be on a platform that ensures the consistency of job posting by clients. When working as a bitcoin freelancer at Freelancer.com, you will have access to many of the jobs posted by clients from all over the world and bid on those that are within your professional level. There is too much to enjoy while working at the leading freelancer platform online, including getting paid at rates that your services deserve, giving you the encouragement you need to keep on working on more Bitcoin projects.

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    47 jobs found, pricing in USD

    We are a small team of cryptocurrencies, new technologies , education and communication enthusiasts. We are currently developing a project consisting in 2 parts: - one part dedicated to the development of our own algorithms, trading signals and automation - a second part dedicated to the training of people willing to discover cryptocurrencies and online crypto-trading For this second part, we ne...

    $124 (Avg Bid)
    $124 Avg Bid
    2 bids
    Bitcoin trading automated 6 days left
    VERIFIED

    Hi im looking for someone to build a website around crypto currency with real live market updates buy sell bitcoin alt coins. With a built in bot to trade in autopilot also this site needs to be legit. Thanks Matthew

    $561 (Avg Bid)
    $561 Avg Bid
    11 bids

    Require the blockchain developer for crypto currency project. I want to start new masternode coin (POS + MN) with different collateral.

    $981 (Avg Bid)
    $981 Avg Bid
    9 bids
    Online Casino 5 days left

    Crypto based casino. (BTC/ETH) Need a developer who has experience with creating casino sites with a few gambling games. Please send me an offer

    $2516 (Avg Bid)
    $2516 Avg Bid
    12 bids

    Need Crypto Trading website Script with all standard option, where i can add any erc20 coin and pair with any coin. I am looking readymade script. My Budget is low so high bid not consider.

    $151 (Avg Bid)
    $151 Avg Bid
    6 bids

    btc miners wanted in my organisation

    $179 (Avg Bid)
    $179 Avg Bid
    1 bids

    Hello, We need to update our current chain and coin for Pivx v4. So we loooking for an expert developer for do this update. Thx you.

    $633 (Avg Bid)
    $633 Avg Bid
    9 bids

    Project Description CRYPTO Arbitrage PLATAFORM AUTOMATIC Build or expand in the existing arbitrage PLATAFORM [login to view URL] Obtain prices and show percentage differences The PLATAFORM should be developed ensuring data and information are displayed in real time. (real-time updates so you don't click to refresh all time) Wll be automating trades and transfer of funds between exchang...

    $764 (Avg Bid)
    $764 Avg Bid
    7 bids

    Description The company I work with need professional marketers that are good with what they do. The aim is to advertise the company to reach various part of the globe. The person Must have a good communication skill in other to pass the intended message. P.s I work with a Crypto Company

    $907 (Avg Bid)
    $907 Avg Bid
    14 bids
    Bitcoin recovery 4 days left
    VERIFIED

    Need help in bitcoin recovery ASAP

    $1125 (Avg Bid)
    $1125 Avg Bid
    5 bids
    trader chart 4 days left
    VERIFIED

    trader chartist analist finance analisis

    $26 (Avg Bid)
    $26 Avg Bid
    4 bids

    I have a product that is a database of users information that they would like to store inside of our product (microchip). I would like to use blockchain for storage and access of this information. Need someone to take the development from scratch to a prototype project. Put the EmmaChain first in your bid to ensure read this project. Must have experience developing on ethereum and experience with ...

    $1503 (Avg Bid)
    $1503 Avg Bid
    20 bids
    Shop with bitcoin wallet 4 days left
    VERIFIED

    I’m looking for a shop script with implemented bitcoin wallet. User need to register first and get an own bitcoin wallet. Need to add bitcoins to his balance and also be able to withdraw bitcoins to any other wallet. With his ballance user can buy products. There is an .onion shop I can show you demo, I need exact the same script.

    $445 (Avg Bid)
    $445 Avg Bid
    12 bids

    Dear Mam/Sir, The project is about investigating what factors affect bitcoin volatility. i need to find some new variables which affect Bitcoin. The methodology is not important I just need an economic analysis of the inefficiency of the bitcoin market also an analysis of the correlation between price and independent variables. variables can be included of macroeconomics variables and microeconomi...

    $95 (Avg Bid)
    $95 Avg Bid
    4 bids

    Dear Mam/Sir, The project is about investigating what factors affect bitcoin volatility. i need to find some new variables which affect Bitcoin. The methodology is not important I just need an economic analysis of the inefficiency of the bitcoin market also an analysis of the correlation between price and independent variables. variables can be included of macroeconomics variables and microeconomi...

    $225 (Avg Bid)
    $225 Avg Bid
    2 bids

    Dear Mam/Sir, The project is about investigating what factors affect bitcoin volatility. i need to find some new variables which affect Bitcoin. The methodology is not important I just need an economic analysis of the inefficiency of the bitcoin market also an analysis of the correlation between price and independent variables. variables can be included of macroeconomics variables and microeconomi...

    $90 (Avg Bid)
    $90 Avg Bid
    2 bids

    Dear Mam/Sir, The project is about investigating what factors affect bitcoin volatility. i need to find some new variables which affect Bitcoin. The methodology is not important I just need an economic analysis of the inefficiency of the bitcoin market also an analysis of the correlation between price and independent variables. variables can be included of macroeconomics variables and microeconomi...

    $187 (Avg Bid)
    $187 Avg Bid
    4 bids

    We require crypto flashing software, which gives 100% confirmation

    $1362 (Avg Bid)
    $1362 Avg Bid
    2 bids

    Dear Mam/Sir, The project is about investigating what factors affect bitcoin volatility. i need to find some new variables which affect Bitcoin. The methodology is not important I just need an economic analysis of the inefficiency of the bitcoin market also an analysis of the correlation between price and independent variables. variables can be included of macroeconomics variables and microeconom...

    $380 (Avg Bid)
    $380 Avg Bid
    11 bids
    aeinst digital fiat currency 31 day left
    VERIFIED

    Build a transmitted converted digital fiat currency exchange transaction website (cloud computing platform) iniating user data cryptographic credentials employing multiple payment forms of digital assets and other unlimited embodiments of different spending rights of different cryptographic credentials wherein parties involved may use same currency for consensus based blockchain and transaction c...

    $10 - $30
    Sealed NDA
    $10 - $30
    2 bids

    I need cryptocurrency wallet API to receive payment of any kind.

    $11 / hr (Avg Bid)
    $11 / hr Avg Bid
    5 bids

    I need a new website. I need you to design and build my online store. It will be designed using html, css and php. No javascript. Must be configured to request bitcoin payment adress from remote bitcoin core using php. Design on site is not very important, it just gonna be «home», «services» «faq» tabs wich i gonna configurate longer down the road

    $504 (Avg Bid)
    $504 Avg Bid
    12 bids

    i need some to help me develop cryptocurrency exchange trading platform

    $624 (Avg Bid)
    $624 Avg Bid
    11 bids

    Hi - I have a telegram group where I would like users to subscribe to the group only with cryptocurrency payments and use bot interface to manage payments. Require past experience with this kind of job.

    $311 (Avg Bid)
    $311 Avg Bid
    5 bids

    Need some Chinese Telegram admins to handle our Chinese group All you need to do is being standby 8 hours in day and be ready to answer people's questions. Also you need to know something about Bitacoin, Etherium or Tron

    $24 (Avg Bid)
    $24 Avg Bid
    9 bids

    I need help with tradingview expert

    $9 / hr (Avg Bid)
    $9 / hr Avg Bid
    5 bids

    Hello All, I need some help with some stuff, the task should be simple it is to be done in C. You need to know about Bitcoin and How minning works I need a simple C program that will use RPC to bitcoin client to get work (block) to mine, The program will connect to bitcoin RPC get a block to mine, Then it will try to mine it, submiting it on sucess. The code needs to be well documented so I can ...

    $50 (Avg Bid)
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    1 bids

    I need someone to help me check for possible back doors for a website someone just worked on Don't contact if you don't have a good review. and you will responsible for any further attack

    $245 (Avg Bid)
    $245 Avg Bid
    6 bids

    Hi everyone, I'm looking for someone who can create a small program that is able to change a bitcoin wallet address when the user copies / pastes a wallet address that I enter.

    $906 (Avg Bid)
    $906 Avg Bid
    11 bids

    The app should be able to separate transactions based on their level of confirmation 1. Immediately the transaction enter my wallet it should be under "POOL" tab 2. After first confirmation the transaction should move to the "PENDING" tab 3. After full confirmation the transaction should move to "APPROVED" tab 4. There should also be a "ALL" tab where i can...

    $194 (Avg Bid)
    $194 Avg Bid
    5 bids

    Hello, I wanted to transfer an amount from Binance to Coinbase. This USDT amount had to be converted to BTC before transferring to Coinbase, but I forgot to convert it. Now the transaction has been validated and confirmed by Binance. Impossible for them to help me. So I contacted Coinbase for help. They tell me that their system does not support the problems related to USDT. Here is their respon...

    $158 (Avg Bid)
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    5 bids
    send 1 satoshi Bitcoin 1 day left
    VERIFIED

    i want to know a method to send 1000 address with 1~20 satoshi per [login to view URL] can write by [login to view URL] let me know details

    $195 (Avg Bid)
    $195 Avg Bid
    4 bids

    I purchased $1000 worth of bitcoin and placed in a bitcore wallet in 2018. I still have the computer it was downloaded too, it just took forever then to download the blockchain and my girlfriend lost the seed phrase and password, but have been told it can be found in the [login to view URL]

    $263 (Avg Bid)
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    11 bids

    I need someone who can research & write a really professional whitepaper for my ico. you have to add some basic graphics & do some basic editing too to make it look dood

    $230 (Avg Bid)
    $230 Avg Bid
    9 bids

    I need someone who can research & write content for my crypto based website. I'll explain you things in brief and you have write the whole content for it.

    $13 (Avg Bid)
    $13 Avg Bid
    23 bids

    Hello i need a Person how make me a Blog and write also Content

    $25 / hr (Avg Bid)
    $25 / hr Avg Bid
    31 bids

    I need my website re-configured.I need you to design and build a website for my small business.

    $220 (Avg Bid)
    $220 Avg Bid
    14 bids

    There is a stuck transaction within my token and ethereum. Who can help out

    $656 (Avg Bid)
    $656 Avg Bid
    9 bids

    You should create a marketplace something similar to [login to view URL] This will be used for legal transactions. No Javascript on site. There should be a possibility for a user to register either as a vendor (sellers account,have to pay a vendor bond ), or a buyer (normal account). A vendor should be able to upload pictures and info to his items. There should be an Escrow functionality....

    $217 (Avg Bid)
    $217 Avg Bid
    7 bids

    Need a Solidarity Smart Contract Writer/Editor to edit or write a solidarity smart contract for cryptocurrency.

    $60 (Avg Bid)
    $60 Avg Bid
    2 bids
    Crypto trading bot 3 hours left
    VERIFIED

    I would like to find a well experienced trading crypto trading bot programmer specifically bitcoin, will discuss with you my self regrading the trading strategy and API, must be experience trading (Crypto ) bot programmer .

    $238 (Avg Bid)
    $238 Avg Bid
    6 bids

    I Need a real Mining bot and Bitcoin Mining software

    $35000 (Avg Bid)
    $35000 Avg Bid
    1 bids

    looking for stake mining pool experienced backend developer please answer the following questions 1. have you done any proof of stake coin related mining pool development 2. what's the coin name.

    $1212 (Avg Bid)
    NDA
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    10 bids

    looking for expert in crypto to assist me trading i do have $100k to invest

    $23 / hr (Avg Bid)
    $23 / hr Avg Bid
    23 bids

    merhabalar, delphi 7 ve üzeri bir versiyon da yapılmış, basit bir win form, üzerinde, bağlan bağ.kes, username password apikey, apisecret edit login kısmı ile çeşitli coinleri içeren combobox coin seçme hemen altında al, sat, emir iptali butonları olan, websoket yada rast api ile yapılmış kodları ile birlikte bir projeye ihtiyacım var (ödev için) (indy, e...

    $10 - $30
    $10 - $30
    0 bids

    Preciso de alguém com conhecimento em flash loan e bastante experiência em arbitragem de criptomoedas e rede ethereum. Quero fazer uma arbitragem usando flash loans nas defi

    $666 (Avg Bid)
    $666 Avg Bid
    3 bids

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